Implement delete host

Implemented delete host functionality.
Also added test case for delete host.

Change-Id: I8265b4f1af7bb61d15d005ee3785895f678f7d10

masakaridashboard/api/api.py

@@ -149,3 +149,9 @@ def get_host_list(request, segment_id):
     """Returns host list"""
     query = {}
     return masakariclient(request).hosts(segment_id, **query)
+
+
+def delete_host(request, segment_id, host_id):
+    """delete host"""
+    return masakariclient(request).delete_host(
+        segment_id, host_id, True)

masakaridashboard/hosts/tables.py

@@ -13,8 +13,35 @@
 # limitations under the License.
 
 from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import ungettext_lazy
 from horizon import tables
 
+from masakaridashboard.api import api
+
+
+class DeleteHost(tables.DeleteAction):
+    @staticmethod
+    def action_present(count):
+        return ungettext_lazy(
+            u"Delete Host",
+            u"Delete Host",
+            count
+        )
+
+    @staticmethod
+    def action_past(count):
+        return ungettext_lazy(
+            u"Deleted Host",
+            u"Deleted Host",
+            count
+        )
+
+    def delete(self, request, host_id):
+        row_data = eval(host_id)
+        segment_uuid = row_data[1]
+        host_uuid = row_data[0]
+        api.delete_host(request, segment_uuid, host_uuid)
+
 
 class HostTable(tables.DataTable):
 
@@ -39,3 +66,4 @@ class HostTable(tables.DataTable):
     class Meta(object):
         name = "host"
         verbose_name = _("Host")
+        table_actions = (tables.FilterAction, DeleteHost)

masakaridashboard/test/tests/host_test.py

@@ -121,3 +121,35 @@ class HostTest(test.TestCase):
         result = api.get_host_list(self.request, SEGMENT_LIST[0].uuid)
         self.assertEqual(HOST_LIST, result)
         mock_hosts.assert_called_once_with(SEGMENT_LIST[0].uuid)
+
+    def test_delete_ok(self):
+
+        segment = SEGMENT_LIST[0]
+        host = HOST_LIST[0]
+        data = {'object_ids': [(segment.uuid, host.uuid)],
+                'action': 'host__delete'}
+        with mock.patch('masakaridashboard.api.api.segment_list',
+                        return_value=SEGMENT_LIST), mock.patch(
+                'masakaridashboard.api.api.get_host_list',
+                return_value=HOST_LIST), mock.patch(
+                'masakaridashboard.api.api.delete_host',
+                return_value=None
+        ) as mocked_delete:
+            res = self.client.post(INDEX_URL, data)
+
+        self.assertNoFormErrors(res)
+        self.assertRedirectsNoFollow(res, INDEX_URL)
+        mocked_delete.assert_called_once_with(
+            mock.ANY,
+            segment.uuid,
+            host.uuid
+        )
+
+    @mock.patch.object(proxy_obj.Proxy, 'delete_host')
+    def test_delete_host(self, mock_delete_host):
+        mock_delete_host.return_value = None
+        result = api.delete_host(self.request, SEGMENT_LIST[0].uuid,
+                                 HOST_LIST[0].uuid)
+        self.assertEqual(None, result)
+        mock_delete_host.assert_called_once_with(SEGMENT_LIST[0].uuid,
+                                                 HOST_LIST[0].uuid, True)